I have a MEC 400 in 16 gauge that is missing the final crimp die. This was a loose die and not attached to the machine. My father misplaced this die when he moved to a new house many years ago and we have not been able to reload with it since. I was wondering if a final crimp die from a 600 jr or other MEC press will fit. Anyone have the answer? I have a 400 MEC in 12 gauge that was left to me by my uncle and it has the same problem. Both are complete except for the final crimp die. I talked to MEC about this and the lady would only say "we no longer stock or make parts for the 400 loader". She would not answer my question as to whether the modern final crimp dies would fit. Oh yah, I have been monitoring evil bay for several years hoping to find the die/dies with no luck. Thanks, james